import tensorflow as tf



w1=tf.Variable(tf.random_normal([2,3],stddev=1))
w2=tf.Variable(tf.random_normal([3,1],stddev=1))


x=tf.placeholder(tf.float32,shape=(1,2),name="input")
a=tf.matmul(x,w1)
y=tf.matmul(a,w2)

sess=tf.Session()
init_op=tf.initialize_all_variables()

sess.run(init_op)
